Gaya APA
L.Feirer, J.
(1986).
General Metals
(
Edisi 6)
.
New York:
Mc Graw-Hill Book Company.
Gaya MLA
L.Feirer, John.
"General Metals".
Edisi 6
New York:
Mc Graw-Hill Book Company,
1986.
Teks.